ccna 1 arp arp proxy bootp dhcp
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ARP proxy, RARP y los servicios de gateway, DHCP y BootPCisco Networking Academy ProgramCCNA-1
Arp Proxy Rarp BootPDHCP
Agenda
ARP Proxy (RFC 1027)172.16.10.100/1600:00:0C:04:36:AA172.16.20.200/1600:00:0C:04:36:DD172.16.10.99/2400:00:0C:04:36:AB172.16.20.99/2400:00:0C:04:36:CDe0e1Ping 172.16.20.200Tabla ARPDireccin IP Direccin MAC172.16.20.200 00:00:0C:04:36:ABSolicitud ARPRespuesta ARP
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IP ClienteIP destinoMAC ClientePuerto destino
0.0.0.0255.255.255.255MAC Cliente67
IP origenIP destinoEncabezado
0.0.0.0255.255.255.255BootP
MAC origenMAC destinoEncabezadoEncabezado
MAC ClienteMAC - BroadcastIPBootP
MAC OrigenIP OrigenMAC DestinoIP Destino
00:00:0C:04:36:AA172.16.10.10000:00:00:00:00:00172.16.20.200
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IP ClienteIP destinoMAC ClientePuerto destino
0.0.0.0255.255.255.255MAC Cliente67
IP origenIP destinoEncabezado
0.0.0.0255.255.255.255BootP
MAC origenMAC destinoEncabezadoEncabezado
MAC ClienteMAC - BroadcastIPBootP
MAC OrigenIP OrigenMAC DestinoIP Destino
00:00:0C:04:36:AA172.16.10.10000:00:00:00:00:00172.16.20.200
MAC origenMAC destinoEncabezado
00:00:0C:04:36:AAFF:FF:FF:FF:FF:FF:ARP
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IP ClienteIP destinoMAC ClientePuerto destino
0.0.0.0255.255.255.255MAC Cliente67
IP origenIP destinoEncabezado
0.0.0.0255.255.255.255BootP
MAC origenMAC destinoEncabezadoEncabezado
MAC ClienteMAC - BroadcastIPBootP
MAC OrigenIP OrigenMAC DestinoIP DestinoMAC OrigenIP OrigenMAC DestinoIP Destino
00:00:0C:04:36:AA172.16.10.10000:00:00:00:00:00172.16.20.20000:00:0C:04:36:AB172.16.20.000:00:0C:04:36:AA172.16.10.100
MAC origenMAC destinoEncabezadoMAC origenMAC destinoEncabezado
00:00:0C:04:36:AAFF:FF:FF:FF:FF:FF:ARP00:00:0C:04:36:AB00:00:0C:04:36:AAARP
Hoja2
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Hoja1
IP ClienteIP destinoMAC ClientePuerto destino
0.0.0.0255.255.255.255MAC Cliente67
IP origenIP destinoEncabezado
0.0.0.0255.255.255.255BootP
MAC origenMAC destinoEncabezadoEncabezado
MAC ClienteMAC - BroadcastIPBootP
MAC OrigenIP OrigenMAC DestinoIP DestinoMAC OrigenIP OrigenMAC DestinoIP Destino
00:00:0C:04:36:AA172.16.10.10000:00:00:00:00:00172.16.20.20000:00:0C:04:36:AB172.16.20.20000:00:0C:04:36:AA172.16.10.100
MAC origenMAC destinoEncabezadoMAC origenMAC destinoEncabezado
00:00:0C:04:36:AAFF:FF:FF:FF:FF:FF:ARP00:00:0C:04:36:AB00:00:0C:04:36:AAARP
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172.16.10.100/1600:00:0C:04:36:AA172.16.20.200/1600:00:0C:04:36:DD172.16.10.99/2400:00:0C:04:36:AB172.16.20.99/2400:00:0C:04:36:CDe0e1ARP Proxy (RFC 1027)
ARP y la direccin de default Gateway172.16.10.100/2400:00:0C:04:36:AA172.16.20.200/2400:00:0C:04:36:DDTabla ARPDireccin IP Direccin MAC172.16.10.99/2400:00:0C:04:36:AB172.16.20.99/2400:00:0C:04:36:CDe0e1Ping 172.16.20.200172.16.10.99 00:00:0C:04:36:ABSolicitud ARPRespuesta ARP
Hoja1
IP ClienteIP destinoMAC ClientePuerto destino
0.0.0.0255.255.255.255MAC Cliente67
IP origenIP destinoEncabezado
0.0.0.0255.255.255.255BootP
MAC origenMAC destinoEncabezadoEncabezado
MAC ClienteMAC - BroadcastIPBootP
MAC OrigenIP OrigenMAC DestinoIP Destino
00:00:0C:04:36:AA172.16.10.10000:00:00:00:00:00172.16.10.99
Hoja2
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Hoja1
IP ClienteIP destinoMAC ClientePuerto destino
0.0.0.0255.255.255.255MAC Cliente67
IP origenIP destinoEncabezado
0.0.0.0255.255.255.255BootP
MAC origenMAC destinoEncabezadoEncabezado
MAC ClienteMAC - BroadcastIPBootP
MAC OrigenIP OrigenMAC DestinoIP Destino
00:00:0C:04:36:AA172.16.10.10000:00:00:00:00:00172.16.20.200
MAC origenMAC destinoEncabezado
00:00:0C:04:36:AAFF:FF:FF:FF:FF:FF:ARP
Hoja2
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Hoja1
IP ClienteIP destinoMAC ClientePuerto destino
0.0.0.0255.255.255.255MAC Cliente67
IP origenIP destinoEncabezado
0.0.0.0255.255.255.255BootP
MAC origenMAC destinoEncabezadoEncabezado
MAC ClienteMAC - BroadcastIPBootP
MAC OrigenIP OrigenMAC DestinoIP DestinoMAC OrigenIP OrigenMAC DestinoIP Destino
00:00:0C:04:36:AA172.16.10.10000:00:00:00:00:00172.16.20.20000:00:0C:04:36:AB172.16.10.9900:00:0C:04:36:AA172.16.10.100
MAC origenMAC destinoEncabezadoMAC origenMAC destinoEncabezado
00:00:0C:04:36:AAFF:FF:FF:FF:FF:FF:ARP00:00:0C:04:36:AB00:00:0C:04:36:AAARP
Hoja2
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IP ClienteIP destinoMAC ClientePuerto destino
0.0.0.0255.255.255.255MAC Cliente67
IP origenIP destinoEncabezado
0.0.0.0255.255.255.255BootP
MAC origenMAC destinoEncabezadoEncabezado
MAC ClienteMAC - BroadcastIPBootP
MAC OrigenIP OrigenMAC DestinoIP DestinoMAC OrigenIP OrigenMAC DestinoIP Destino
00:00:0C:04:36:AA172.16.10.10000:00:00:00:00:00172.16.20.20000:00:0C:04:36:AB172.16.20.20000:00:0C:04:36:AA172.16.10.100
MAC origenMAC destinoEncabezadoMAC origenMAC destinoEncabezado
00:00:0C:04:36:AAFF:FF:FF:FF:FF:FF:ARP00:00:0C:04:36:AB00:00:0C:04:36:AAARP
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172.16.10.100/2400:00:0C:04:36:AA172.16.20.200/2400:00:0C:04:36:DD172.16.10.99/2400:00:0C:04:36:AB172.16.20.99/2400:00:0C:04:36:CDe0e1
ARP y la direccin de default Gateway
Cliente RARPServidor RARPRARP (RFC 903)Solicitud RARPRespuesta ARP
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IP ClienteTu IPMAC ClientePuerto OrigenPuerto DestinoEncabezadoIP OrigenIP DestinoEncabezadoEncabezadoMAC OrigenMAC DestinoEncabezadoEncabezadoEncabezado
0.0.0.0192.168.0.200:00:0C:04:36:AA6768BootP192.168.0.1255.255.255.255UDPBootP00:00:0C:04:36:BBFF:FF:FF:FF:FF:FFIPUDPBootP
192.168.0.1
00:00:0C:04:36:BB
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IP ClienteIP destinoMAC ClientePuerto destino
0.0.0.0255.255.255.255MAC Cliente67
IP origenIP destinoEncabezado
0.0.0.0255.255.255.255BootP
MAC origenMAC destinoEncabezadoEncabezado
MAC ClienteMAC - BroadcastIPBootP
MAC OrigenIP OrigenMAC DestinoIP Destino
00:00:0C:04:36:AA0.0.0.000:00:0C:04:36:AA0.0.0.0
Hoja2
Hoja3
Hoja1
IP ClienteIP destinoMAC ClientePuerto destino
0.0.0.0255.255.255.255MAC Cliente67
IP origenIP destinoEncabezado
0.0.0.0255.255.255.255BootP
MAC origenMAC destinoEncabezadoEncabezado
MAC ClienteMAC - BroadcastIPBootP
MAC OrigenIP OrigenMAC DestinoIP Destino
00:00:0C:04:36:AA172.16.10.10000:00:00:00:00:00172.16.20.200
MAC origenMAC destinoEncabezado
00:00:0C:04:36:AAFF:FF:FF:FF:FF:FF:ARP
Hoja2
Hoja3
Hoja1
IP ClienteIP destinoMAC ClientePuerto destino
0.0.0.0255.255.255.255MAC Cliente67
IP origenIP destinoEncabezado
0.0.0.0255.255.255.255BootP
MAC origenMAC destinoEncabezadoEncabezado
MAC ClienteMAC - BroadcastIPBootP
MAC OrigenIP OrigenMAC DestinoIP DestinoMAC OrigenIP OrigenMAC DestinoIP Destino
00:00:0C:04:36:AA172.16.10.10000:00:00:00:00:00172.16.20.20000:00:0C:04:36:BB192.168.0.100:00:0C:04:36:AA192.168.0.2
MAC origenMAC destinoEncabezadoMAC origenMAC destinoEncabezado
00:00:0C:04:36:AAFF:FF:FF:FF:FF:FF:ARP00:00:0C:04:36:AB00:00:0C:04:36:AAARP
Hoja2
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IP ClienteIP destinoMAC ClientePuerto destino
0.0.0.0255.255.255.255MAC Cliente67
IP origenIP destinoEncabezado
0.0.0.0255.255.255.255BootP
MAC origenMAC destinoEncabezadoEncabezado
MAC ClienteMAC - BroadcastIPBootP
MAC OrigenIP OrigenMAC DestinoIP DestinoMAC OrigenIP OrigenMAC DestinoIP Destino
00:00:0C:04:36:AA172.16.10.10000:00:00:00:00:00172.16.20.20000:00:0C:04:36:AB172.16.20.20000:00:0C:04:36:AA172.16.10.100
MAC origenMAC destinoEncabezadoMAC origenMAC destinoEncabezado
00:00:0C:04:36:AAFF:FF:FF:FF:FF:FF:ARP00:00:0C:04:36:ABFF:FF:FF:FF:FF:FFARP
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BootPPermite obtener: * Direccin IP,* Default Gateway* Nombre del archivo de inicio. para logar el arranque de un host en forma remotaRFC 951 - Bootstrap RFC 1497 - Extensiones de la informacin de los distribuidores de BOOTPDefinido en ...
BootP (Encabezado)
BootPCliente BootPServidor BootPEnva la respuesta BootP
Hoja1
IP ClienteTu IPMAC ClientePuerto OrigenPuerto DestinoEncabezadoIP OrigenIP DestinoMAC OrigenMAC Destino
0.0.0.00.0.0.000:00:0C:04:36:AA6867BootP0.0.0.0255.255.255.25500:00:0C:04:36:AAFF:FF:FF:FF:FF:FF
Hoja2
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IP ClienteTu IPMAC ClientePuerto OrigenPuerto DestinoEncabezadoIP OrigenIP DestinoEncabezadoEncabezadoMAC OrigenMAC Destino
0.0.0.00.0.0.000:00:0C:04:36:AA6867BootP0.0.0.0255.255.255.255UDPBootP00:00:0C:04:36:AAFF:FF:FF:FF:FF:FF
Hoja2
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IP ClienteTu IPMAC ClientePuerto OrigenPuerto DestinoEncabezadoIP OrigenIP DestinoEncabezadoEncabezadoMAC OrigenMAC DestinoEncabezadoEncabezadoEncabezado
0.0.0.00.0.0.000:00:0C:04:36:AA6867BootP0.0.0.0255.255.255.255UDPBootP00:00:0C:04:36:AAFF:FF:FF:FF:FF:FFIPUDPBootP
Hoja2
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IP ClienteTu IPMAC ClientePuerto OrigenPuerto DestinoEncabezadoIP OrigenIP DestinoEncabezadoEncabezadoMAC OrigenMAC DestinoEncabezadoEncabezadoEncabezado
0.0.0.0192.168.0.200:00:0C:04:36:AA6867BootP0.0.0.0255.255.255.255UDPBootP00:00:0C:04:36:AAFF:FF:FF:FF:FF:FFIPUDPBootP
Hoja2
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IP ClienteTu IPMAC ClientePuerto OrigenPuerto DestinoEncabezadoIP OrigenIP DestinoEncabezadoEncabezadoMAC OrigenMAC DestinoEncabezadoEncabezadoEncabezado
0.0.0.0192.168.0.200:00:0C:04:36:AA6768BootP0.0.0.0255.255.255.255UDPBootP00:00:0C:04:36:AAFF:FF:FF:FF:FF:FFIPUDPBootP
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Ho